arrange the following numbers from least to greatest 23 12 58 79
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ATI TEAS 7

Math Practice TEAS Test

1. Arrange the following fractions from least to greatest: 2/3, 1/2, 5/8, 7/9.

Correct answer: C

Rationale: To compare the fractions, it is beneficial to convert them to decimals or find a common denominator. When converted to decimals: 1/2 = 0.50, 5/8 = 0.625, 2/3 ≈ 0.666, and 7/9 ≈ 0.778. Therefore, the correct order from least to greatest is 1/2, 5/8, 2/3, 7/9. Choice A is incorrect because it places 7/9 first, which is the greatest fraction. Choice B is incorrect as it incorrectly lists the fractions. Choice D is incorrect as it starts with 7/9, which is the largest fraction instead of the smallest.

2. What is the protective sac surrounding the testes in the male reproductive system?

Correct answer: B

Rationale: The scrotum is the correct answer, as it is the protective sac surrounding the testes in the male reproductive system. The scrotum's role is crucial in maintaining the optimal temperature for proper sperm production by regulating the distance of the testes from the body. The vas deferens is a duct responsible for transporting sperm from the testes to the urethra, not the protective sac surrounding the testes. The epididymis is a coiled tube where sperm mature and are stored before ejaculation, not the protective sac. The urethra is a tube that serves as a common passageway for both urine and semen to exit the body, not the protective sac surrounding the testes.

3. Why are noble gas elements generally unreactive?

Correct answer: D

Rationale: The correct answer is D. Noble gas elements are generally unreactive because they have already achieved stable electron configurations by having a full outer electron shell. This full shell makes them very stable and unlikely to gain, lose, or share electrons with other elements. Choices A, B, and C are incorrect because noble gases are not unreactive due to being too large to form bonds easily (A), lacking valence electrons in their outermost shell (B), or having strong bonds within their own molecules (C).

4. What is the definition of the word 'haunt' in the following passage? 'From that time forward, Mr. Utterson began to haunt the door in the by street of shops.'

Correct answer: B

Rationale: 'Haunt' in this context means to visit a place frequently or persistently, which aligns with Mr. Utterson's actions of regularly going to the door in the by street of shops. The other choices are incorrect because 'levitate' means to rise or float in the air, 'terrorize' means to cause extreme fear, and 'daunt' means to make someone feel intimidated or apprehensive, none of which accurately reflect the meaning of 'haunt' in this context.

5. After a person eats birthday cake, which of the following enzymes is needed to break down the sucrose in the cake?

Correct answer: D

Rationale: Sucrase is the correct enzyme needed to break down sucrose into its component sugars, glucose, and fructose. Lactase is responsible for breaking down lactose, maltase for maltose, and peptidase for proteins; therefore, they are not the enzymes required to digest sucrose specifically. In the context of digesting birthday cake, which contains sucrose, sucrase is the enzyme needed for this particular sugar.

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